Finding the Fourth Proportional to 252,341.12, 348,231.08 and 137,620.01
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Solution
The fourth proportional to 252,341.12, 348,231.08 and 137,620.01 is: 189,915.80
Step by Step Solution
- Step 1: Write the proportion equation
252,341.12 : 348,231.08 = 137,620.01 : x - Step 2: Convert to fraction form
252,341.12/348,231.08 = 137,620.01/x - Step 3: Cross multiply
252,341.12x = 348,231.08 × 137,620.01 - Step 4: Simplify right side
252,341.12x = 47,923,564,711.91 - Step 5: Solve for x
x = 47,923,564,711.91/252,341.12 - Step 6: Final answer
x = 189,915.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.